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“Hardclip” – due to oversampling imperfection (and Gibbs phenomenon too) output signal can overshoot threshold given. To deal with that the output signal have to be digitally clipped controlling by this parameter:
– “Off” – no output digital clipping is used. Use this value if the threshold is very low or this plugin is not the last plugin in chain (for example it used before brickwall limiter to reduce pumping effect).
– “Thresh+” – output digital clipping has threshold +0.2 dB higher than soft clipping threshold but can’t exceed -0.15 dBFS. So if you set clipping threshold to -0.5 dBFS output signal can’t exceed -0.3 dBFS.
– “-0dbFS” – output digital clipping has threshold of -0.15 dBFS regardless of soft clipping threshold.

“DC.flt” – if “On” the 2nd order high-pass filter for 25 Hz is turned on. Filter works in the beginning of the chain e.g. before clipper. Added just to experiment. I think it doesn’t sound good. BTW, the best high-pass filter I ever heard was in preFIX plugin of Variety of Sound).

LIMITATIONS:

Plugin doesn’t prevent inter-sample peaks to exceed threshold level.

SEE ALSO:

See how soft clipping works in Lavry AD122 converter (see p.18 in [manual]).

MY PLANS:

Now I should work on slow limiter to limit not signal peaks but signal “body” for upcoming clipper/limiter plugin.

Related

5 responses to “Clipper module prototype”

You’re definitely on the right track man. You need to make a soft clipper or peak limiter that kicks in immediately (the attack) just like a normal brick wall limiter, but releases extremely fast leaving a fading trail til the signal reaches 0db just in time for it to repeat the same process for the next peak. I don’t even know if that’s possible, but having that slope makes brickwall limiting sound natural. The peaks should never be squared or even rounded off. They should be somewhat triangular.

what about a equivalent and better version of the classic, waves paz.new fresh take on that would b enice. its a secret weapon of many engineers for finite eq problems, and poppin the eq to separate ranges. but i hat sending hundreds to these huge companies